[Healeys] Rear end noise

[Michael Salter]

Hi Mitchell,
The set up of hypoid diff gears is  relatively complex job requiring some
special tools and a good selection of the correct shims and considerable
experience.The process is well described in the factory workshop manual
however as others have noted if the gears are not "perfect" they will
always produce some noise regardless of how well they are set up.
I have an aftermarket spiral bevel 3.66/1 set in #174 and despite 3
attempts to make it silent it still "talks" to me.
The original crown wheel and pinion set that I removed from an Austin
Atlantic diff was silent from the time I initially installed it so I
suspect that the quality of manufacturing is very important.
Unfortunately I sold that one together with the original 2.92/1  with my
100S.
Michael S
BN1 #174


On Thu, Oct 27, 2016 at 10:31 AM, <dayton21 at comcast.net> wrote:

> Experts,
>
>
>
> I had the Lempert gear set installed in my 1966 BJ8  this year  put about
> 2000 miles on it.
>
> I have a pretty loud hum at about 35-45 mph………the hum only occurs when
> accelerating…..when you let off it goes away.
>
> Can someone tell me what is causing it ?     can the new gears be
> readjusted if that’s the problem?
>
>
>
> Thanks in advance
>
> Mitchell
>
>
>
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>
>
>
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-- 
*If you can't fix it with a hammer, you've got an electrical problem.*
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